Correction: Which Came First, the Head or the Brain?

There was an error in the first sentence of the last paragraph of this synopsis. The correct sentence is: This research demonstrates that at least a subset of the genes that cause head and brain formation in bilaterians are also differentially expressed in the aboral region of the sea anemone.

Citation: Mejia R (2013) Correction: Which Came First, the Head or the Brain? PLoS Biol 11(3):
10.1371/annotation/4a8d9f38-1d0d-4389-a284-9f2564e1ac0b.
doi:10.1371/annotation/4a8d9f38-1d0d-4389-a284-9f2564e1ac0b